1.C Steel Channel 2.Z Steel Channel 3.Thickness:1 ... comptitive price The company specializes in producing all kinds of C, Z, U steel; 41 * 41,41 * 22,41 * ... 25 pairs of involution; outside the volume1.Grade: Q195, Q235, Q345 2.Standard: JIS, ASTM, DIN 3. ... color5.Product Name: Steel C/Z Purline6.Material: Black Finish Steel Strip/Coil, Galvanized Steel Strip/Coil7.Grade: SGCC, Q195, Q235, ...